000 00342nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aBritish Medical Journal
245 _aBritish Medical Journal : 1986 : Volume 293(6538-6549) : Shelf 4.7
260 _bBritish Medical Association
_c1986
300 _a874p.+
650 _aBritish Medical Journal
999 _c4002
_d4002